How severe is CVE-2017-3742?

CVE-2017-3742 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2017-3742 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3742?

CVE-2017-3742 affects Lenovo Connect2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-3742?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-3742 published?

CVE-2017-3742 was published on 2017-07-17 and last updated on 2026-06-17.

CVE-2017-3742

CVE-2017-3742 is a medium-severity vulnerability in Lenovo Connect2 with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.8)
CVSS v2: 2.3
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Lenovo Connect2
Published: 2017-07-17
Last modified: 2026-06-17

Description

In Lenovo Connect2 versions earlier than 4.2.5.4885 for Windows and 4.2.5.3071 for Android, when an ad-hoc connection is made between two systems for the purpose of sharing files, the password for this ad-hoc connection will be stored in a user-readable location. An attacker with read access to the user's contents could connect to the Connect2 hotspot and see the contents of files while they are being transferred between the two systems.

Frequently asked questions

What is CVE-2017-3742?: In Lenovo Connect2 versions earlier than 4.2.5.4885 for Windows and 4.2.5.3071 for Android, when an ad-hoc connection is made between two systems for the purpose of sharing files, the password for this ad-hoc connection will be stored in a user-readable location. An attacker with read access to the user's contents could connect to the Connect2 hotspot and see the contents of files while they are being transferred between the two systems.
How severe is CVE-2017-3742?: CVE-2017-3742 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over an adjacent network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2017-3742 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3742?: CVE-2017-3742 affects Lenovo Connect2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-3742?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-3742 published?: CVE-2017-3742 was published on 2017-07-17 and last updated on 2026-06-17.

References

https://support.lenovo.com/us/en/product_security/LEN-14398

Affected products (1)

cpe:2.3:a:lenovo:connect2:*:*:*:*:*:*:*:*

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